11 N. Auburn, Kennewick, WA 99336

Kennewick: 509-591-0222 · Yakima: 509-965-3422 · Richland: 509-943-5909

  • Better Business Bureau Accredited Business

Monday-Thursday: 8:00 am - 5:00 pm

Friday: 8:00 am - 4:00 pm

24/7 Emergency Phone Line
Call (509) 586-9464

Dayco Heating, Air, & Electrial



In addition to servicing equipment, we also do maintenance. Properly maintained equipment is going to work better and last longer. We'll help you care for your system so that it not only works, but works efficiently for savings and peace of mind.


Dayco has highly trained and certified employees who will install your new comfort system and design it to meet your home's specific needs. Our team does more than install your system, we carefully assess your needs and design and size your new system to meet the special needs of your home and family. We don't want to give you a system that simply works, we want to give you one that you're happy and comfortable with!

Service & Repair

If you already have a system installed, we can help you if something goes wrong. At Dayco, our highly trained technicians can service and repair a wide variety of HVAC equipment. Our technicians carefully listen and assess your needs and recommend what we think will make your system the most efficient. We want to make sure that we get the job done right with the best solution for you and your home.


We offer electrical service along with our heating and cooling services. We specialize in upgrading eletrical panels, which is a leading electrical problem in homes. However, our electrical services are not limited to panels and HVAC, Dayco can cover any electrical problem you may have with your home, large or small. Our electrical service is very prompt and thorough and we talk you through the procedure and your options, allowing you to make the best choice for you and your home. All of our electricians are screened and certified with the state of Washington so you can feel safe with our employees in your home. No job is too small.

Order Service Online

Community Involvement